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Chromium-based browsers store the URL of the downloaded files


Did you know that Chromium-based browsers, such as Google Chrome, Opera, etc., store the source URL of all files downloaded to Windows 10?

Chrome

Using this information, you will be able to retrieve a source URL from a file, provided it has been downloaded through a Chromium-based browser. Some users may not bother them and may be useful information, but there are certainly users who will not be happy with this logic at all.

Find the source URL of files downloaded to Windows via Chromium
NTFS, the default file system for modern versions of Windows, supports storage of multiple data streams (multiple data streams) under a file. The default and at the same time anonymous data stream of a file represents the contents of the file that are visible with the relevant application that opens when you double-click File Explorer. When a program opens a file that is stored on NTFS, it always opens the anonymous data stream unless the programmer has encoded it for a different behavior. In addition to anonymous streaming, files can also have designated streams.

When you download a file with a Chromium-based browser, it adds to the file an alternate feed containing the full download URL (direct link). It also stores a referral page that allows you to see from which website you just downloaded the file.

To find the source URL for the file you downloaded with a Chromium-based browser, do the following:
1. Open PowerShell and go to the download folder. If you do not know how to open Powershell, left-click on Start and write the word Powershell. Then click Windows Powershell. Logically it will open it immediately in the path of c: \ users \ the_name.

2. Run the following command:

Get-Content "file name" -Stream Zone.Identifier

Replace the "file name" with the real name of the downloaded file.

As you can see, Chrome adds two lines, ReferrerURL and HostURL, so anyone with access to your computer can quickly find where you downloaded your files.

The URL of the URLs where you downloaded your files can also be viewed from your Chromium browser download page. For Chrome, specifically, press Ctrl + J simultaneously to open the download page.

Although through the download page you can delete this information one by one and even better, you can delete the entire download history through Settings> Advanced> Clear browsing data> Download history, the data is stored within the files, so the information remains available to anyone.

If you want to remove all this information, except that you should delete the download history from within Chrome, you should also delete this information from the files themselves. To do this, open a Powershell, go to the saved folder where you want the files you want to delete the feeds and write the following command:

dir -Recurse | Unblock-File

This command will unlock all files in the folder and all subfolders, and will remove all the information inside them.

While many of you will find this feature helpful because it will help you recover the source address of each file, some users will not see it with a good eye. Especially those who deal with sensitive data. For a computer that is subject to police forensic control, this information can reveal a lot.

 


 

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